Peristasis (architecture)
Peristasis (Greek περίστασις ) is the ring of columns, the Cella completely surrounds at a Peripteros at a certain distance, so that the Cella -round use (referred to as ring hall or Pteron ) is formed, which was used for cult processions.
If a ring of columns surrounding a courtyard or garden, however, he is not described as peristasis, but as a peristyle.